Wassenaar Yvonne 4

4 · Rubrik, Inc. · Filed Jun 1, 2026

AI-generated summary of this filing

Updated Jun 1, 2026

Rubrik (RBRK) Director Yvonne Wassenaar Sells Shares

What Happened

Director Yvonne Wassenaar completed an open-market sale of 2,838 shares of Rubrik common stock on 2026-05-29 at $75.00 per share, generating $212,850 in proceeds. The same filing shows conversion of 2,163 derivative shares (reported as acquired at $0.00) and a related disposition entry for 2,163 derivative shares (no cash consideration), reflecting a conversion/transfer of derivative securities into common stock.

Key Details

Transaction date: 2026-05-29.
Sale: 2,838 shares sold at $75.00 each; total proceeds $212,850.
Conversion: 2,163 derivative shares converted into common stock (reported at $0.00).
Shares owned after the transactions: not specified in the provided filing excerpt.
Footnotes: (F1) Sale was effected under a Rule 10b5-1 trading plan adopted December 15, 2025. (F2) The filing explains Class B shares convert into Class A upon sale/transfer or at the holder’s option.
Filing timeliness: Form 4 was filed 2026-06-01 for a 2026-05-29 transaction; this filing date is within the usual two-business-day reporting window.

Context

The sale was executed under a pre-established 10b5-1 plan, which typically means the trades were scheduled in advance and are often considered routine rather than a direct signal of the insider’s near-term view on the stock. The derivative entries relate to conversion mechanics (Class B to Class A conversion) and involved no cash exchange. Purchases generally carry more weight as bullish signals; this filing documents a planned sale and conversion activity.

Form 4

Period: 2026-05-29

Director

Transactions

Conversion
Class A Common Stock
2026-05-29+2,163→ 5,164 total
Sale
Class A Common Stock
[F1]
2026-05-29$75.00/sh−2,838$212,850→ 2,326 total
Conversion
Class B Common Stock
[F2]
2026-05-29−2,163→ 33,837 total
→ Class A Common Stock (2,163 underlying)

Footnotes (2)

[F1]This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted December 15, 2025.
[F2]Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock will also be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock.

Signature

/s/ Larry Guo, Attorney-in-Fact|2026-06-01

1 file